what to expect after stopping T?

background: i am nonbinary and i have been on testosterone for almost 6 years. i only recently started growing thicker hair on my face, i still pass as a woman due to how i present but i think even the masculinization of my face is still fairly androgynous. i have felt dysphoric for appearing too masculine for a while but i recently got a haircut that makes my face and neck feel more prominent and so i am even more dysphoric (though i do like my haircut). main questions: will it take longer for revertible changes to revert since i’ve been on hormones for so long? can i expect my face and body to get more feminine or will i have to start taking hrt again just the other way? what is the worst that will happen if i stop cold turkey? i dont want to continue doing my injections as its already quite difficult for me is there a chance i will get my period back if im on nexplanon? that’s the thing i fear the most. ideally i would get a hysterectomy but that isnt feasible